metatitanate [,metə'taitəneit]
- metatitanate的基本解释
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n.
偏钛酸盐
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But hexagonal zinc metatitanate (ZnTiO_3) decomposes to orthotitanate (Zn_2TiO_4) with relatively bad microwave dielectric properties at ~945℃.
但是六方相ZnTiO_3会在945℃以上分解为微波介电性能极差的立方相Zn_2TiO_4,这将严重恶化陶瓷的微波介电性能。
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Also the phase transition temperature from hexagonal ZnTiO_3 phase to cubic Zn_2TiO_4 was lowed by adding V_2O_5. It was noticed that V enriched in the boundary of the exaggerated grains, while not be detected in the inner of exaggerated grains or in the boundary of small grains. At sintering temperature 50℃, orthotitanate phase Zn_2TiO_4 in zinc titanate ceramics with ≤1.00wt% WO_3 additions became major phase, while zinc metatitanate ZnTiO_3 became major phase with ≤1.00wt% WO_3 additions.
结果表明:单独掺杂V_2O_5和WO_3有效降低了陶瓷烧结温度,900℃烧结的掺杂0.75wt%V_2O_5钛酸锌陶瓷密度可达理论密度的96.1%,930℃烧结的掺杂3.00wt%WO_3钛酸锌陶瓷的密度达理论密度的95.2%;V_2O_5的添加使六方相ZnTiO_3的分解温度从900℃降到了850℃以下,V_2O_5富积于陶瓷体的晶界处,在V_2O_5富积区附近产生了异常长大的晶粒。
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calcium metatitanate:偏钛酸钙
calcium hydroxide 氢氧化钙 | calcium metatitanate 偏钛酸钙 | calcium molybdate 钼酸钙
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barium metatitanate:偏钛酸钡
偏硅酸钡 barium metasilicate | 偏钛酸钡 barium metatitanate | 偏钨酸钡 barium metatungstate
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potassium metatitanate:偏钛酸钾
偏硫锡酸钾 potassium metathiostannate | 偏钛酸钾 potassium metatitanate | 偏钨酸钾 potassium metatungstate